非酒精性脂肪性肝病(NAFLD)是病理改变与酒精性肝病相似但无过量饮酒的临床病理综合征,现已成为欧、美等西方国家慢性肝病的“第一大病种”,近年来,随着生活方式及饮食结构的改变,我国NAFLD的发病率也呈逐年上升趋势,NAFLD的疾病表现形式比较宽泛,从单纯脂肪肝到脂肪性肝炎(NAS Non-alcoholic fatty liver disease (NAFLD) pathological changes similar to alcoholic liver disease but without excessive drinking of clinical pathological syndrome, has become Europe, the United States and other Western countries, chronic liver disease, “the first major disease” in recent years, With the change of life style and diet structure, the incidence of NAFLD in our country has also been increasing year by year. The manifestations of NAFLD are quite broad. From simple fatty liver to steatohepatitis (NAS)